Ruby 时间 gmt?函数

Time#gmt?() 是一个时间类方法，用于检查时间是否代表UTC（格林尼治标准时间）的时间。

语法。Time.gmt?()

参数。时间值

返回：true – 如果时间代表UTC（格林尼治标准时间）的时间，否则返回false

例子 #1 :

# Ruby code for Time.gmt?() method
  
# declaring time 
a = Time.new(2019)
  
# declaring time
b = Time.new(2019, 10)
  
# declaring time
c = Time.new(2019, 12, 31)
  
# Time 
puts "Time a : #{a}\n\n"
puts "Time b : #{b}\n\n"
puts "Time c : #{c}\n\n\n\n"
  
  
# gmt? form 
puts "Time a gmt? form : #{a.gmt?}\n\n"
puts "Time b gmt? form : #{b.gmt?}\n\n"
puts "Time c gmt? form : #{c.gmt?}\n\n"

输出:

Time a : 2019-01-01 00:00:00 +0000

Time b : 2019-10-01 00:00:00 +0000

Time c : 2019-12-31 00:00:00 +0000



Time a gmt? form : false

Time b gmt? form : false

Time c gmt? form : false

例子 #2 :

# Ruby code for Time.gmt?() method
  
# declaring time 
a = Time.now
  
# declaring time
b = Time.new(1000, 10, 10)
  
# declaring time
c = Time.new(2020, 12)
  
# Time 
puts "Time a : #{a}\n\n"
puts "Time b : #{b}\n\n"
puts "Time c : #{c}\n\n\n\n"
  
  
# gmt? form 
puts "Time a gmt? form : #{a.gmt?}\n\n"
puts "Time b gmt? form : #{b.gmt?}\n\n"
puts "Time c gmt? form : #{c.gmt?}\n\n"

输出:

Time a : 2019-08-28 05:27:26 +0000

Time b : 1000-10-10 00:00:00 +0000

Time c : 2020-12-01 00:00:00 +0000



Time a gmt? form : false

Time b gmt? form : false

Time c gmt? form : false